If your keyboard keys stop working, it doesn't necessarily mean they're broken or need replacement. From checking keyboard settings and running the troubleshooter to updating drivers, there are ...

The CK721 has the same power consumption thus have same working hours under 2.4GHz and Bluetooth mode due to below reason: ...

Are some keys on your laptop or external keyboard unresponsive while the rest work fine? It's a frustrating problem, especially when you have important work to finish. The good news is, you don't ...